Not the person you replied to, but I take exception with the word “too” in front of unconventional.
Obviously we know now that she was perfect in the role of Brienne. The main reason (for me, anyway) why film and tv largely suck now is because studios want the “safe” and “conventional” choice for every role. I’m also well over 6 feet tall, I want my tall queens well represented on the screen.
ETA: tall men don’t seem to have a problem getting roles. The stigma against tall women is just dumb to me.